Je Pistons Piston Rings - Premium Race Series - 4.040 in Bore - File Fit - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Steel - Nitride - 8-Cylinder - Kit-JG31F8-4040-2--Notes: State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO